Questions tagged [mc-magna]

I have a 700cc V4 Honda Magna motorcycle. The manual states that the inlet opens at 0° BTDC and the exhaust closes at 0° ATDC so there is no valve overlap. This would seem to compromise power. What were Honda's reasons for designing it like that?

I'm in the process of getting my 1982 Honda Magna back in running condition. I've cleaned out the carb and put in a new battery. It now runs, but dumps a TON of coolant out the tailpipe. Almost a constant stream. It blows a bit of white smoke, has…